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journal-verify: add comment and silence LGTM warning

This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2018-10-02 12:26:23 +02:00
parent cac4d95ec8
commit 0a587335d2
1 changed files with 4 additions and 3 deletions
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7
src/journal/journal-verify.c
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@ -60,10 +60,11 @@ static void draw_progress(uint64_t p, usec_t *last_usec) {
}
static uint64_t scale_progress(uint64_t scale, uint64_t p, uint64_t m) {
/* Calculates scale * p / m, but handles m == 0 safely, and saturates.
* Currently all callers use m >= 1, but we keep the check to be defensive.
*/
/* Calculates scale * p / m, but handles m == 0 safely, and saturates */
if (p >= m || m == 0)
if (p >= m || m == 0) /* lgtm [cpp/constant-comparison] */
return scale;
return scale * p / m;